While excavating in the Valley of the Kings, an Egyptian worker on an archaeological dig discovered a partially obscured step ...
Researchers are deliberately setting off real (small) earthquakes to understand how to gauge the danger of a fault line before it breaks.
One of the first hurdles in macro photography is depth of field. At close distances, it becomes razor-thin. Shoot wide open at f/2.8 and you'll often find only a tiny sliver of your subject is sharp — ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results